You also should not underestimate the impact that organic search can have on the success of your website. Our research here at BrightEdge has found that about 51 percent of the traffic on the average site comes from the SERPs. In other words, more people land on your site because of the results pages for particular queries than because of your email, social media, and paid marketing efforts combined.
When a search engine user in the targeted area searches for the keywords or keyphrases that you chose, your ad enters an immediate online auction. Your ad is displayed when it matches bid and relevancy criteria, so you want to make sure that you have an appropriate budget size, and that you are bidding on keyphrases relevant to your products/services (such as those indicated on your website or landing page). You are not charged when your ad is displayed, but rather when someone clicks on your ad to take further action.
It’s an investment. Whether you have a trusted Internet marketing company handle your SEO activities or you travel the journey solo, you are making a solid investment in your website. Every time you optimize a landing page or write a blog post, you’re introducing new and relevant content to your website. Search engines love recent, relevant content.
Keyword difficulty is a number that lets you know how difficult it will be to rank for a certain keyword. The higher the number, the more difficult it will be to rank on that keyword. There are a few sites online that will tell you keyword difficulty of a word or phrase. Record these numbers in your Excel document or Google Sheet that you made earlier.
Essentially, what distinguishes direct from organic traffic today is tracking. According to Business2Community, direct traffic is composed of website visits which have “no referring source or tracking information.” A referring source can be a search engine, or it can be a link from another website. Direct traffic can include visits that result from typing the URL directly into a browser, as the simple definition suggests.
Google claims their users click (organic) search results more often than ads, essentially rebutting the research cited above. A 2012 Google study found that 81% of ad impressions and 66% of ad clicks happen when there is no associated organic search result on the first page. Research has shown that searchers may have a bias against ads, unless the ads are relevant to the searcher's need or intent 
hey james - congrats on your success here. just a question about removing crummy links. for my own website, there are hundreds of thousands of backlinks in webmaster tools pointing to my site. The site has no penalties or anything - the traffic seems to be growing every week. would you recommend hiring someone to go through the link profile anyway to remove crummy links that just occur naturally?
Organic is what people are looking for; the rest of these simply put things in front of people who may or may not be seeking what you offer. We know that approximately X number of people are looking for Y every day. So if we can get on front of those people, we have a much greater opportunity to create long-term relationships and increase our overall ROI.